Scale-Up Biomass Pathway to Cobalt Single-Site Catalysts Anchored on N-Doped Porous Carbon Nanobelt with Ultrahigh Surface Area

doi:10.1002/adfm.201802167

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	Scale-Up Biomass Pathway to Cobalt Single-Site Catalysts Anchored on N-Doped Porous Carbon Nanobelt with Ultrahigh Surface Area
	Zhu, YQ; Sun, WM; Chen, WX; Cao, T; Xiong, Y; Luo, J; Dong, JC; Zheng, LR; Zhang, J; Wang, XL; Chen, C; Peng, Q; Wang, DS; Li, YD; Dong JC(董俊才); Zheng LR(郑黎荣)
	2018
发表期刊	ADVANCED FUNCTIONAL MATERIALS (IF:12.124[JCR-2016],12.362[5-Year])
ISSN	1616-301X
EISSN	1616-3028
卷号	28 期号:37 页码:1802167
文章类型	Article
摘要	Porous CoNC catalysts with ultrahigh surface area are highly required for catalytic reactions. Here, a scale-up method to synthesize gram-quantities of isolated Co single-site catalysts anchored on N-doped porous carbon nanobelt (Co-ISA/CNB) by pyrolysis of biomass-derived chitosan is reported. The usage of ZnCl2 and CoCl2 salts as effective activation-graphitization agents can introduce a porous belt-like nanostructure with ultrahigh specific surface area (2513 m(2) g(-1)) and high graphitization degree. Spherical aberration correction electron microscopy and X-ray absorption fine structure analysis reveal that Co species are present as isolated single sites and stabilized by nitrogen in CoN4 structure. All these characters make Co-ISA/CNB an efficient catalyst for selective oxidation of aromatic alkanes at room temperature. For oxidation of ethylbenzene, the Co-ISA/CNB catalysts yield a conversion up to 98% with 99% selectivity, while Co nanoparticles are inert. Density functional theory calculations reveal that the generated Co=O centers on isolated Co single sites are responsible for the excellent catalytic efficiency.
关键词	2D nanobelt biomass cobalt porous carbon single-site catalysts
DOI	10.1002/adfm.201802167
关键词[WOS]	C-H BOND ; SELECTIVE OXIDATION ; OXYGEN REDUCTION ; ACTIVE-SITES ; NITROGEN ; ACTIVATION ; EFFICIENT ; SHELL ; ATOMS
收录类别	SCI ; EI
语种	英语
WOS研究方向	Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS类目	Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS记录号	WOS:000444072800008
EI入藏号	20183705802148
引用统计	正在获取...
文献类型	期刊论文
条目标识符	https://ir.ihep.ac.cn/handle/311005/286319
专题	多学科研究中心实验物理中心
作者单位	中国科学院高能物理研究所
第一作者单位	中国科学院高能物理研究所
推荐引用方式 GB/T 7714	Zhu, YQ,Sun, WM,Chen, WX,et al. Scale-Up Biomass Pathway to Cobalt Single-Site Catalysts Anchored on N-Doped Porous Carbon Nanobelt with Ultrahigh Surface Area[J]. ADVANCED FUNCTIONAL MATERIALS,2018,28(37):1802167.
APA	Zhu, YQ.,Sun, WM.,Chen, WX.,Cao, T.,Xiong, Y.,...&郑黎荣.(2018).Scale-Up Biomass Pathway to Cobalt Single-Site Catalysts Anchored on N-Doped Porous Carbon Nanobelt with Ultrahigh Surface Area.ADVANCED FUNCTIONAL MATERIALS,28(37),1802167.
MLA	Zhu, YQ,et al."Scale-Up Biomass Pathway to Cobalt Single-Site Catalysts Anchored on N-Doped Porous Carbon Nanobelt with Ultrahigh Surface Area".ADVANCED FUNCTIONAL MATERIALS 28.37(2018):1802167.

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